Maxillary Injections

Question 1

Quantity used for PSA

Answer 1

• 0.9-1.0cc
• 1/2 carpule

Question 2

Quantity used for MSA

Answer 2

• 0.9-1.0cc
• 1/2 carpule

Question 3

Quantity used for ASA

Answer 3

• 0.9-1.0cc
• 1/2 carpule

Question 4

Quantity used for Greater Palatine

Answer 4

• 0.25cc (until tissue blanches)
• 1/4 carpule

Question 5

Quantity used for Nasopalatine

Answer 5

• 0.25cc (until tissue blanches)
• 1/4 carpule

Question 6

Quantity used for Infraorbital

Answer 6

• 1.2cc
• 3/4 carpule

Question 7

Quantity used for Supraperiosteal Infiltration

Answer 7

• 0.9-1.0cc
• 1/3 carpule

Question 8

What does the MSA Nerve Innervate?

Answer 8

• 1st PM
• 2nd PM
• 1st Molar (partially)
• Buccal gingiva in PM/1st Molar regions

Question 9

What is the target area of the MSA?

Answer 9

• Slightly apical to the PM’s either 1st or 2nd
• Penetration made along the long axis of PM
• To the apex of PM

Question 10

What is the needle insertion length for the MSA?

Answer 10

• 1/3 - 1/2 needle length
• 1/4” - 1/2”

Question 11

What does the PSA innervate?

Answer 11

• 3rd Molars
• 2nd Molars
• 1st Molars (partially)
• Buccal gingiva in molar regions

Question 12

What is the target area of the PSA?

Answer 12

• Apical to the root of the 3rd Molar

Question 13

Where is penetration of the mucosa made for the PSA?

Answer 13

• Just lateral to the 2nd Molar
• At a 45 deg angle to the long axis of the tooth
• At an angle approaching 45 degrees medially

Question 14

What is the needle insertion length for the PSA?

Answer 14

• 1/2 needle length
• 5/8”

Question 15

What does the ASA innervate?

Answer 15

• Canines
• Lateral Incisors
• Central Incisors
• Labial mucosa and inner aspect of the lip to the mid-line

Question 16

What is the target area of the ASA?

Answer 16

• Apical and slightly distal to the canine
• Penetration along the long axis of the canine to target zone

Question 17

What is the needle insertion length for the ASA?

Answer 17

Pull Lip Tight

• 1/3 - 1/2 needle length
• 1/4” - 3/8”

Question 18

What does the Greater Palatine innervate?

Answer 18

• No Teeth
• Palatal soft tissue
  
  • From distal of the canine to the junction of hard and soft palate, and medial to the midline
• Palatal Bone
  
  • Same area

Question 19

What is another name for the Greater Palatine Nerve Block?

Answer 19

Anterior Palatine Nerve Block

Question 20

What is the target area of the Greater Palatine Nerve Block?

Answer 20

• The Greater Palatine Foramen

Question 21

Where is the penetration of the mucosa for the Greater Palatine?

Answer 21

• Just anterior to the greater palatine foramen
• 1/2” medial to the disto-palatal Cusp of the 2nd Molar
• Needle positioned nearly perpendicular to mucosa

Question 22

What is the needle insertion length for the Greater Palatine?

Answer 22

• Until bevel is buried ~1/4”
• Bevel is positioned laterally (toward soft tissue)

Question 23

What does the Nasopalatine Nerve innervate?

Answer 23

• No Teeth
• Palatal Soft Tissue
  
  • Anterior portion of hard palate, from distal of canine to distal of canine
• Palatal Bone Same Area

Question 24

What is another name for the Nasopalatine Nerve Block?

Answer 24

Incisive Nerve Block

Question 25

What is the target area of the Nasopalatine Nerve Block?

Answer 25

The incisive foramen

Question 26

Where is the penetration of the mucosa made for a Nasopalatine Nerve Block?

Answer 26

* Just **lateral** to the incisive papilla - toward the _posterior portion of the papilla_ * At a **45 deg angle** to the palatal bone

Question 27

What is the needle insertion length of the Nasopalatine Nerve Block?

Answer 27

* Until bevel is buried ~ 1/8" * Bevel is toward bone

Question 28

What does the Infraorbital Nerve innervate?

Answer 28

* Canine * Incisors (to the midline) * 75% = PM's + part of 1st Molar * Buccal gingica associated with teeth affected * Lower eyelid, upper lip, and lateral aspect of nose

Question 29

What is the only Maxillary Injection that you can use a 25 long needle on?

Answer 29

Infraorbital Nerve Block

Question 30

What is the needle insertion length of the Infraorbital Nerve Block?

Answer 30

* Until bone is contacted * ~ 1/2 needle length * 16mm

Question 31

What is the Supraperiosteal Injection more commonly called?

Answer 31

Local Infiltration

Question 32

What is the Supraperiosteal injection used for?

Answer 32

* In the **Maxilla** for: * Pulpa anesthesia of 1-2 teeth * Soft Tissue Anesthesia of limited area * High success rate = \>95%

Question 33

What is the target area of Supraperiosteal Injection?

Answer 33

* Apical region of the tooth to be anesthetized * Penetration at the height of the mucogingival fold * Along the long axis of the maxillary tooth to the target zone